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Proceedings Paper

State discrimination signal nulling receivers
Author(s): F. E. Becerra; J. Fan; G. Baumgartner; S. Polyakov; J. Goldhar; J. T. Kosloski; A. L. Migdall
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Paper Abstract

Optimized state-discrimination receiver strategies for nonorthogonal states can improve the capacity of the communication channels operating with error rates below the ones corresponding to conventional receivers. Coherent signal-nulling receivers use a local oscillator to null the signal state and perform the discrimination of the signal from an alphabet of nonorthogonal states. We describe our study of signal nulling for signals encoded in nonorthogonal phase states. The signal nulling discrimination setup is the first step for the experimental investigation of different discrimination strategies for receivers of coherent multi-phase encoded signals.

Paper Details

Date Published: 7 September 2011
PDF: 8 pages
Proc. SPIE 8163, Quantum Communications and Quantum Imaging IX, 81630Y (7 September 2011); doi: 10.1117/12.894087
Show Author Affiliations
F. E. Becerra, Joint Quantum Institute, National Institute of Standards and Technology and Univ. of Maryland (United States)
J. Fan, Joint Quantum Institute, National Institute of Standards and Technology and Univ. of Maryland (United States)
G. Baumgartner, Lab. for Telecommunications Sciences (United States)
S. Polyakov, Joint Quantum Institute, National Institute of Standards and Technology and Univ. of Maryland (United States)
J. Goldhar, Univ. of Maryland, College Park (United States)
J. T. Kosloski, The Johns Hopkins Univ. (United States)
A. L. Migdall, Joint Quantum Institute, National Institute of Standards and Technology and Univ. of Maryland (United States)


Published in SPIE Proceedings Vol. 8163:
Quantum Communications and Quantum Imaging IX
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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